// Copyright 2018 Google Inc., Igalia S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-Intl.ListFormat.supportedLocalesOf
description: >
    Tests that Intl.ListFormat has a supportedLocalesOf property,
    and it works as planned.
features: [Intl.ListFormat]
---*/

function Test() {
    assert.sameValue(typeof Intl.ListFormat.supportedLocalesOf, "function",
                     "supportedLocalesOf should be supported.");

    const defaultLocale = new Intl.ListFormat().resolvedOptions().locale;
    const notSupported = 'zxx'; // "no linguistic content"
    const requestedLocales = [defaultLocale, notSupported];

    const supportedLocales = Intl.ListFormat.supportedLocalesOf(requestedLocales);
    assert.sameValue(supportedLocales.length, 1, 'The length of supported locales list is not 1.');
    assert.sameValue(supportedLocales[0], defaultLocale, 'The default locale is not returned in the supported list.');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
